When a coded document attracts Castle's attention, Beckett must steer the case back to the violent felons who populated their victim's world; when Beckett's ex-partner arrives, Castle must watch the relationship become romantic.
Peter and Neal work a forgery and money laundering case that leads them into two of the most iconic New York institutions, taxi cabs and jazz.
Cal assists Det. Wallowski investigate the murder of the daughter of a terminally ill friend of hers. Meanwhile, Ria is mugged in a rough neighborhood and goes looking for the guy who did it.
As the new director of diversity, Benton studies medical school applications and discovers that his own academic record did not qualify him--he was admitted because of affirmative action. Weaver feels uncomfortable amongst Legaspi's lesbian friends. Carter treats an unvaccinated child who contracted measles. Kovac undergoes an epiphany as he administers to the terminally ill Bishop Stewart. An investigator recommends extensive physical and mental compentency tests for Greene.
Monk must deal with being in a traffic jam, caused by a car, containing a corpse, abandoned in the middle of the road.
